Using CCCC(CN)C(=O)OC(C)(C)C, COC(=O)c1nc(C#N)c2cc(Oc3ccccc3)ccc2c1O to produce CCCC(CNC(=O)c1nc(C#N)c2cc(Oc3ccccc3)ccc2c1O)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.