Using CN1CCC(OC(c2cccc(C#CCN3C(=O)c4ccccc4C3=O)c2)c2nc3ccccc3[nH]2)CC1 to produce CN1CCC(OC(c2cccc(C#CCN)c2)c2nc3ccccc3[nH]2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.