Using O=C1NC(=O)c2ccccc21, C[Si]1(C)CC[Si](C)(C)N1CCCBr to produce C[Si]1(C)CC[Si](C)(C)N1CCCN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.