Using CCS(N)(=O)=O, CN1C(=O)CCc2nc(-c3cncc(CCl)c3)ccc21 to produce CCS(=O)(=O)NCc1cncc(-c2ccc3c(n2)CCC(=O)N3C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.