Using COCCOc1cc(Oc2ccc(S(C)(=O)=O)cc2)cnc1N, S=C(n1ccnc1)n1ccnc1 to produce COCCOc1cc(Oc2ccc(S(C)(=O)=O)cc2)cnc1NC(N)=S, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.