Using COC(=O)c1cccc(NC(=O)c2nn(-c3c(Cl)cccc3Cl)nc2COc2ccccc2)c1 to produce O=C(O)c1cccc(NC(=O)c2nn(-c3c(Cl)cccc3Cl)nc2COc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.