Using COCc1cc2c(c3c1[nH]c1ccc(OC)cc13)C(=O)N(CCN(C)C)C2=O to produce COCc1cc2c(c3c1[nH]c1ccc(O)cc13)C(=O)N(CCN(C)C)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.