Using FC1(F)Oc2ccc(-c3c[nH]c4ncc(-c5cnn(C6CCNCC6)c5)cc34)cc2O1, OCCBr to produce OCCN1CCC(n2cc(-c3cnc4[nH]cc(-c5ccc6c(c5)OC(F)(F)O6)c4c3)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.