Using CCNC(N)=O, O=C(Nc1cccnc1)c1cnc(Cl)cc1Cl to produce CCNC(=O)Nc1cc(Cl)c(C(=O)Nc2cccnc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.