Using Cc1ccnc(-c2cc(CCCC(=O)O)ccn2)c1, O=C1CCC(=O)N1O to produce Cc1ccnc(-c2cc(CCCC(=O)ON3C(=O)CCC3=O)ccn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.