Using O=C1CCC(=O)N1Br, CC(C)(C)[Si](C)(C)Oc1cccc(C2C(=O)NC(=O)NC2=O)c1 to produce CC(C)(C)[Si](C)(C)Oc1cccc(C2(Br)C(=O)NC(=O)NC2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.