Using COC(=O)c1ccc2c(c1)CC(NC[C@H](O)COc1ccccc1)CCC2 to produce O=C([O-])c1ccc2c(c1)CC(NC[C@H](O)COc1ccccc1)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.