Using CCOC(=O)Cn1cnc2c(c1=O)CC(C#N)(c1ccc(OC)c3oc4ccccc4c13)CC2 to produce COc1ccc(C2(C#N)CCc3ncn(CC(=O)O)c(=O)c3C2)c2c1oc1ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.