Using O=C1CCC(=O)N1Br, O=C(Nc1nccs1)[C@H](CC1CCCCC1)N1Cc2ccccc2C1=O to produce O=C(Nc1ncc(Br)s1)C(CC1CCCCC1)N1Cc2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.