Using CCOC(=O)CC(=O)N(CCC(C)C)n1cc(C#N)cc1C(=O)OC to produce CCOC(=O)c1c(O)c2cc(C#N)cn2n(CCC(C)C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.