Using COCN1c2cc(-c3c[nH]nc3[Si](C)(C)C)ccc2Sc2nccnc21 to produce COCN1c2cc(-c3cn[nH]c3)ccc2Sc2nccnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.