Using COC(=O)C1(N)CCCC1, CC(C)(C)OC(=O)NCC(C=O)c1ccccc1 to produce COC(=O)C1(NCC(CNC(=O)OC(C)(C)C)c2ccccc2)CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.