Using COC=C1CCN(Cc2ccccc2)CC1(Cc1ccccc1)C(=O)OC to produce COC(=O)C1(Cc2ccccc2)CN(Cc2ccccc2)CCC1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.