Using CC(C)(C)OC(=O)NC(CC=O)c1ccccc1, COP(=O)(OC)C(=[N+]=[N-])C(C)=O to produce C#CCC(NC(=O)OC(C)(C)C)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.