Using OC1CCN(Cc2ccccc2)CC1, COC(=O)c1ccc(N)cc1 to produce Nc1ccc(C(=O)OC2CCN(Cc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.