Using NCc1cccc2cccnc12, O=C1NC(=O)C2(CCc3cc(C(=O)O)ccc3C2)N1 to produce O=C1NC(=O)C2(CCc3cc(C(=O)NCc4cccc5cccnc45)ccc3C2)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.