Using COc1cccc2c1ccc1nc3cc(Cl)cc(C(=O)NCCN(C)C)c3nc12, C[S-] to produce COc1cccc2c1ccc1nc3cc(SC)cc(C(=O)NCCN(C)C)c3nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.