Using O=S(Cl)Cl, CN1CCN(c2ccc(-c3nc4ccc(C(=O)O)cc4s3)cn2)CC1 to produce CN1CCN(c2ccc(-c3nc4ccc(C(=O)Cl)cc4s3)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.