Using COC(=O)c1cccc(NC(=O)c2ccc(OCC(C)C)c(C#N)c2)c1N to produce CC(C)COc1ccc(-c2nc3c(C(=O)O)cccc3[nH]2)cc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.