Using COC(=O)c1oc2c3cc(OC)ccc3n(-c3ccccc3)c2c1O to produce COc1ccc2c(c1)c1c(n2-c2ccccc2)C(=O)CO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.