Using NCCN1CCOCC1, CCOC(=O)c1c(-c2cccc(C#N)c2)cc(C(=O)O)nc1C to produce CCOC(=O)c1c(-c2cccc(C#N)c2)cc(C(=O)NCCN2CCOCC2)nc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.