Using CCOC(=O)C1Cc2cc(C(=O)c3ccc(O)c(CN)c3)c(Cl)c(Cl)c2O1 to produce NCc1cc(C(=O)c2cc3c(c(Cl)c2Cl)OC(C(=O)O)C3)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.