Using CCOC(=O)c1cc(Nc2ccc3c(c2)CC2(C3)C(=O)Nc3ncccc32)ncn1 to produce O=C(O)c1cc(Nc2ccc3c(c2)CC2(C3)C(=O)Nc3ncccc32)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.