Using COC(=O)c1ncc2c(=O)n(Cc3ccccc3)ccc2c1O, NCCOCC(=O)O to produce O=C(O)COCCNC(=O)c1ncc2c(=O)n(Cc3ccccc3)ccc2c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.