Using CCOC(=O)c1c(C)nc(-c2ccccc2)nc1-c1cc([N+](=O)[O-])ccc1Cl, CS to produce CCOC(=O)c1c(C)nc(-c2ccccc2)nc1-c1cc([N+](=O)[O-])ccc1SC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.