Using CCOC(=O)C1=C(O)c2cc(OC)ccc2C2(CCOCC2)C1=O, CC(C)(C)OC(=O)CN to produce COc1ccc2c(c1)C(O)=C(C(=O)NCC(=O)OC(C)(C)C)C(=O)C21CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.