Using O=C1CCC(=O)N1Br, CC[C@@H](NC(=O)c1ccn2c1CCCC2)c1ccccc1 to produce CC[C@@H](NC(=O)c1cc(Br)n2c1CCCC2)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.