Using Brc1ccc2c(c1)OCO2, O=C1CCN(Cc2ccccc2)CC1 to produce OC1(c2ccc3c(c2)OCO3)CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.