Using COC(=O)CCNC(=O)c1cccc(COc2ccc(C(=N)N)cc2)c1 to produce N=C(N)c1ccc(OCc2cccc(C(=O)NCCC(=O)O)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.