Using C=O, O=C1NC(=O)C(C2N=CN3CCc4cccc2c43)=C1c1cccc2cnccc12 to produce CC1Cc2cccc3c2N1C=NC3C1=C(c2cccc3cnccc23)C(=O)NC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.