Using O=C(O)c1cnc2ccccc2c1, CCCCCCCCCCCCC[C@@H](CC(N)=O)OC(=O)[C@@H](N)CCCC(=O)OCc1ccccc1 to produce CCCCCCCCCCCCC[C@@H](CC(N)=O)OC(=O)[C@H](CCCC(=O)OCc1ccccc1)NC(=O)c1cnc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.