Using O=C1CCC(=O)N1Br, CC(C)(C)OC(=O)N1CCC2(C1)CN(C(=O)OCC[Si](C)(C)C)c1ccccc12 to produce CC(C)(C)OC(=O)N1CCC2(C1)CN(C(=O)OCC[Si](C)(C)C)c1ccc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.