Using O=C(Cl)OC(Cl)(Cl)Cl, COc1cc(OC)c(-c2nc3ncccn3c2Nc2c(Cl)cccc2Cl)c(C(=O)NN)c1 to produce COc1cc(OC)c(-c2nc3ncccn3c2Nc2c(Cl)cccc2Cl)c(-c2n[nH]c(=O)o2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.