Using CCOC(=O)c1c(-c2ccncc2)nn(-c2c(Cl)cc(Cl)cc2Cl)c1N to produce Nc1c(C(=O)O)c(-c2ccncc2)nn1-c1c(Cl)cc(Cl)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.