Using CCn1c(=O)n(COCC[Si](C)(C)C)c2c(C)cccc21, O=C1CCC(=O)N1Br to produce CCn1c(=O)n(COCC[Si](C)(C)C)c2c(CBr)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.