Using O=C1Cc2ccccc2N1, Clc1ncnc2ccc(N3CCOCC3)cc12 to produce O=C1Nc2ccccc2C1c1ncnc2ccc(N3CCOCC3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.