Using O=C(NCCC[C@H](NC(=O)OCC1c2ccccc2-c2ccccc21)C(=O)O)OCc1ccccc1, NCCc1c[nH]c2ccccc12 to produce O=C(NCCC[C@H](NC(=O)OCC1c2ccccc2-c2ccccc21)C(=O)NCCc1c[nH]c2ccccc12)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.