Using O=C(O)C1CCc2c(c3ccccc3n2C(=O)c2ccccc2)C1, O=C(OCCl)c1ccccc1 to produce O=C(OCOC(=O)C1CCc2c(c3ccccc3n2C(=O)c2ccccc2)C1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.