Using O=C1CCC(=O)N1Br, CC(C)(C)[Si](C)(C)OCCCc1ccccc1 to produce CC(C)(C)[Si](C)(C)OCCC(Br)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.