Using O=C1COCCN1, Cc1cc(OCCCl)nn1-c1ccc2ccccc2c1 to produce Cc1cc(OCCN2CCOCC2=O)nn1-c1ccc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.