Using C[Si](C)(C)CCOCn1cc(I)c2c(Cl)ncnc21, COc1ccc(S)cc1 to produce COc1ccc(Sc2cn(COCC[Si](C)(C)C)c3ncnc(Cl)c23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.