Using Clc1ccc2ncc(Br)n2n1, Fc1cccc(C2COCCN2)c1 to produce Fc1cccc(C2COCCN2c2ccc3ncc(Br)n3n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.