Using c1ccc2c(c1)CCNC2, CCOC(=O)C1CCN(Cc2ccccc2)CC1 to produce O=C(C1CCN(Cc2ccccc2)CC1)N1CCc2ccccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.