Using O=C1CCC(=O)N1Br, COc1cccc(C)c1Cc1cccc2c1C(=O)NC2=O to produce COc1cccc(CBr)c1Cc1cccc2c1C(=O)NC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.