Using COCCN(CCn1cnc(I)c1)C(=O)OC(C)(C)C, Clc1ccnc2ccsc12 to produce COCCN(CCn1cnc(-c2cc3nccc(Cl)c3s2)c1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.