Using O=C1CCC(=O)N1Br, Cc1cc2ccnc(N3CCc4ccccc4C3)c2n1Cc1cccc(F)c1 to produce Cc1c(Br)c2ccnc(N3CCc4ccccc4C3)c2n1Cc1cccc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.