Using CCBr, O=C(OCc1ccccc1)N1CCN(C[C@@H]2CCCNC2)CC1 to produce CCN1CCC[C@@H](CN2CCN(C(=O)OCc3ccccc3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.