Using O=C(c1ccc(Br)cc1)N1CC2CNCC2C1, CCC(=O)Cl to produce CCC(=O)N1CC2CN(C(=O)c3ccc(Br)cc3)CC2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.