Using COC(=O)CCn1cc(-c2c(-c3ccccc3)nn3ccccc23)cc(C#N)c1=O to produce N#Cc1cc(-c2c(-c3ccccc3)nn3ccccc23)cn(CCC(=O)O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.