Using O=C(n1ccnc1)n1ccnc1, CCC(CC)c1ncc2c(=O)[nH]c3cc(C(=O)O)ccc3n12 to produce CCC(CC)c1ncc2c(=O)[nH]c3cc(C(N)=O)ccc3n12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.