Using OC(CCCN1CCC(C(O)(c2ccccc2)c2ccccc2)CC1)c1ccc(Br)cc1 to produce Brc1ccc(C=CCCN2CCC(=C(c3ccccc3)c3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.