Using O=C(C(=O)c1ccccc1)c1ccccc1, NCC(N)C(=O)O to produce O=C(O)c1cnc(-c2ccccc2)c(-c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.