Using CCOc1nc2c(c(=O)n(CCCO)c(=O)n2CC)n1Cc1ccccc1 to produce CCOc1nc2c([nH]1)c(=O)n(CCCO)c(=O)n2CC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.