Using O=C(OCc1ccccc1)c1ccc(=O)oc1, CC(C)(C)OC(=O)CN to produce CC(C)(C)OC(=O)Cn1cc(C(=O)OCc2ccccc2)ccc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.