Using COC(=O)c1cc(Cl)c(C(=O)c2c[nH]c3c(NC(=O)C4CC4)nccc23)c(Cl)c1 to produce O=C(c1c(Cl)cc(CO)cc1Cl)c1c[nH]c2c(NC(=O)C3CC3)nccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.