Using COC(=O)c1cc2nc(Nc3c(Cl)cccc3Cl)[nH]c2c2nc(C)oc12 to produce Cc1nc2c(o1)c(C(=O)O)cc1nc(Nc3c(Cl)cccc3Cl)[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.