Using O=Cc1ccccc1, NCCOc1ccc2c(c1)[nH]c1ccccc12 to produce c1ccc(CNCCOc2ccc3c(c2)[nH]c2ccccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.