Using O=C(n1ccnc1)n1ccnc1, Cn1c2ccccc2c2c(CC(=O)O)nn(-c3ccccc3)c(=O)c21 to produce CN(C)C(=O)Cc1nn(-c2ccccc2)c(=O)c2c1c1ccccc1n2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.