Using CCc1nc2cnc3ccccc3c2n1CCCC=O, CCOP(=O)(OCC)C(=[N+]=[N-])C(C)=O to produce C#CCCCn1c(CC)nc2cnc3ccccc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.