Using CC1(C)CC=C(c2nc(Br)ccc2N)CC1, C[Si](C)(C)CCOCn1cc(C#N)nc1C(=O)[O-] to produce CC1(C)CC=C(c2nc(Br)ccc2NC(=O)c2nc(C#N)cn2COCC[Si](C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.