Using O=C1CCC(=O)N1Br, CCOC(=O)C1(c2ccc(C)cn2)CCCC1 to produce CCOC(=O)C1(c2ccc(CBr)cn2)CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.