Using NCC(=O)O, COc1ccc(Cn2c(=O)oc(=O)c3cc(Cl)ccc32)cc1 to produce COc1ccc(CN2C(=O)CNC(=O)c3cc(Cl)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.