Using Fc1ccc(-c2c(-c3cc(-c4nn[nH]n4)ccn3)ncn2Cc2ccccc2Cl)cc1, CC(=O)OCBr to produce CC(=O)OCn1nnc(-c2ccnc(-c3ncn(Cc4ccccc4Cl)c3-c3ccc(F)cc3)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.