Using O=C1CCC(=O)N1Br, Cc1ccc(-c2ncc(N)nc2-c2ccc(C)cc2)cc1 to produce Cc1ccc(-c2nc(N)c(Br)nc2-c2ccc(C)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.