Using O=Cc1ccc2c(c1)N(C1CCN(CCc3ccc(F)cc3)CC1)CC2, COc1cccc(Br)n1 to produce COc1cccc(C(O)c2ccc3c(c2)N(C2CCN(CCc4ccc(F)cc4)CC2)CC3)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.